Home / 85,669,150.94-128,515,928.05-26,586,636.02

Finding the Fourth Proportional to 85,669,150.94, 128,515,928.05 and 26,586,636.02

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Solution

The fourth proportional to 85,669,150.94, 128,515,928.05 and 26,586,636.02 is: 39,883,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,669,150.94 : 128,515,928.05 = 26,586,636.02 : x
  2. Step 2: Convert to fraction form
    85,669,150.94/128,515,928.05 = 26,586,636.02/x
  3. Step 3: Cross multiply
    85,669,150.94x = 128,515,928.05 × 26,586,636.02
  4. Step 4: Simplify right side
    85,669,150.94x = 3,416,806,201,610,747
  5. Step 5: Solve for x
    x = 3,416,806,201,610,747/85,669,150.94
  6. Step 6: Final answer
    x = 39,883,740.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.